2017423 has 4 divisors (see below), whose sum is σ = 2043040. Its totient is φ = 1991808.

The previous prime is 2017409. The next prime is 2017427. The reversal of 2017423 is 3247102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2017423 - 2¹⁷ = 1886351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2017423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2017427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12690 + ... + 12847.

It is an arithmetic number, because the mean of its divisors is an integer number (510760).

2^2017423 is an apocalyptic number.

2017423 is a deficient number, since it is larger than the sum of its proper divisors (25617).

2017423 is an equidigital number, since it uses as much as digits as its factorization.

2017423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25616.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2017423 is about 1420.3601655918. The cubic root of 2017423 is about 126.3569077790.

The spelling of 2017423 in words is "two million, seventeen thousand, four hundred twenty-three".